<!DOCTYPE html>
<html lang="en"   xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <!-- 引入样式 -->
    <link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css">

</head>
<body>
    <div class="container" id="app">
        <h1>{{message}}</h1>
    </div>

</body>

<script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
<!-- 引入组件库 -->
<script src="https://unpkg.com/element-ui/lib/index.js"></script>

<script>

    var app = new Vue({
        el: '#app',
        data: {
            message: '第一个消息队列的案例发送成功'
        }
    })

</script>

</html>